public ProxyTestableViewModel()
{
TestProxy = AsyncCommand.Create((parameter, token) =>
{
Url url = new Url(parameter as string ?? "");
TestResult = new SiteTestResultViewModel()
{
Model = new SiteProxyTestResult(HttpStatusCode.Gone, "", -1, SiteProxyTestStatus.Testing)
};
return(SiteProxyTester.RunTest(m_model, url, token));
});
TestProxy.PropertyChanged += (s, e) =>
{
if (e.PropertyName == "Execution")
{
if (m_testProxyExecution != null)
{
m_testProxyExecution.PropertyChanged -= TaskCompletionNotifierPropertyChangedHandler;
}
m_testProxyExecution = TestProxy.Execution;
m_testProxyExecution.PropertyChanged += TaskCompletionNotifierPropertyChangedHandler;
}
};
GetLocation = AsyncCommand.Create((parameter, token) =>
{
Location = "pending...";
return(IpGeolocation.GetLocation(m_model, token));
});
GetLocation.PropertyChanged += (s, e) =>
{
if (e.PropertyName == "Execution")
{
if (m_getLocationExecution != null)
{
m_getLocationExecution.PropertyChanged -=
GetLocationTaskCompletionNotifierPropertyChangedHandler;
}
}
m_getLocationExecution = GetLocation.Execution;
m_getLocationExecution.PropertyChanged += GetLocationTaskCompletionNotifierPropertyChangedHandler;
};
}
private void TaskCompletionNotifierPropertyChangedHandler(object sender, PropertyChangedEventArgs args)
{
if (args.PropertyName == "IsCompleted")
{
if (TestProxy.Execution.IsCanceled)
{
TestResult = null;
}
else if (TestProxy.Execution.IsFaulted)
{
TestResult = new SiteTestResultViewModel()
{
Model = new SiteProxyTestResult(HttpStatusCode.Gone, $"ERROR({m_testProxyExecution.Exception.Message})", -1, SiteProxyTestStatus.Failed)
};
}
else if (TestProxy.Execution.IsSuccessfullyCompleted)
{
TestResult = new SiteTestResultViewModel()
{
Model = TestProxy.Execution.Result
};
}
}
}